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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrVkSemaphore_DEFINED
#define GrVkSemaphore_DEFINED
#include "GrSemaphore.h"
#include "GrResourceProvider.h"
#include "GrVkResource.h"
#include "vk/GrVkTypes.h"
class GrBackendSemaphore;
class GrVkGpu;
class GrVkSemaphore : public GrSemaphore {
public:
static sk_sp<GrVkSemaphore> Make(const GrVkGpu* gpu, bool isOwned);
using WrapType = GrResourceProvider::SemaphoreWrapType;
static sk_sp<GrVkSemaphore> MakeWrapped(const GrVkGpu* gpu,
VkSemaphore semaphore,
WrapType wrapType,
GrWrapOwnership);
~GrVkSemaphore() override;
class Resource : public GrVkResource {
public:
Resource(VkSemaphore semaphore, bool prohibitSignal, bool prohibitWait, bool isOwned)
: INHERITED()
, fSemaphore(semaphore)
, fHasBeenSubmittedToQueueForSignal(prohibitSignal)
, fHasBeenSubmittedToQueueForWait(prohibitWait)
, fIsOwned(isOwned) {}
~Resource() override {}
VkSemaphore semaphore() const { return fSemaphore; }
static void AcquireMutex() { GetMutex()->acquire(); }
static void ReleaseMutex() { GetMutex()->release(); }
bool shouldSignal() const {
return !fHasBeenSubmittedToQueueForSignal;
}
bool shouldWait() const {
return !fHasBeenSubmittedToQueueForWait;
}
void markAsSignaled() {
GetMutex()->assertHeld();
fHasBeenSubmittedToQueueForSignal = true;
}
void markAsWaited() {
GetMutex()->assertHeld();
fHasBeenSubmittedToQueueForWait = true;
}
#ifdef SK_TRACE_VK_RESOURCES
void dumpInfo() const override {
SkDebugf("GrVkSemaphore: %d (%d refs)\n", fSemaphore, this->getRefCnt());
}
#endif
private:
void freeGPUData(const GrVkGpu* gpu) const override;
static SkMutex* GetMutex() {
static SkMutex kMutex;
return &kMutex;
}
VkSemaphore fSemaphore;
bool fHasBeenSubmittedToQueueForSignal;
bool fHasBeenSubmittedToQueueForWait;
bool fIsOwned;
typedef GrVkResource INHERITED;
};
Resource* getResource() { return fResource; }
private:
GrVkSemaphore(const GrVkGpu* gpu, VkSemaphore semaphore, bool prohibitSignal, bool prohibitWait,
bool isOwned);
void setBackendSemaphore(GrBackendSemaphore*) const override;
Resource* fResource;
typedef GrSemaphore INHERITED;
};
#endif
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